DDMM is a program for people who use 2 or more displays. It prevents the mouse from crossing from one display to another too easily, and allows teleporting mouse pointer between displays with a hotkey. See http://ddmm.sourceforge.net/ for details.

Defraser is a forensic analysis application that can be used to detect full and partial multimedia files in datastreams. It is typically used to find (and restore) complete or partial video files in datastreams (for instance, unallocated diskspace).

The first free tool for Windows able to draw multi-level pie charts of disk space ! HDG displays graphically the hard disk space usage. It shows all your directories and subdirectories on a single graph, allowing to see the largest ones at a glance.

RoboMirror's aim is to provide a very simple and user-centered GUI for Robocopy to allow for easy synchronization of two directory trees, e.g., to perform a robust incremental backup, both locally (e.g., to an external hard disk) and across the network.
Additionally, RoboMirror supports volume shadow copies. By using shadow copies, all files can be copied, including files locked by running processes (Outlook, SQL Server...).